In the United States v. Hastings et al., 1982, the Supreme Court ruled that a federal appeals court had overstepped its authority by reversing several convictions due to prosecutorial misconduct without considering whether such misconduct was harmless beyond reasonable doubt. The case involved seven defendants who were convicted of mail fraud and racketeering charges related to an insurance scam. During closing arguments, the prosecutor made comments suggesting that defense lawyers knew their clients were guilty because they did not call certain witnesses or present specific evidence. On appeal, these remarks were deemed inappropriate as they could potentially influence jury's decision-making process unfairly against defendants' right to remain silent and presumption of innocence until proven guilty. However, instead of remanding for a new trial or applying harmless error analysis (which assesses if improper conduct likely influenced verdict), Seventh Circuit Court reversed all convictions outrightly based on this prosecutorial misconduct alone - an action which Supreme Court found excessive in its ruling.

In the dissenting opinion for United States v. Hastings et al., Justice Brennan, joined by Justices Marshall and Blackmun, argued that the majority's decision undermined a defendant's right to a fair trial as guaranteed by the Sixth Amendment. They contended that it was inappropriate for prosecutors to comment on defendants' silence or failure to testify because such comments could unduly influence jurors and prejudice them against defendants who chose not to testify in their own defense. The dissenting justices also disagreed with the majority's view that harmless error analysis should be applied in this case; they believed this approach would only encourage prosecutorial misconduct by allowing prosecutors to make improper comments without facing significant consequences if those comments did not affect the outcome of trials.